3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $ran = 0; class Foo { public function __destruct() { global $ran; $ran++; } } function bar(Foo $foo) { global $ran; echo "Bar $ran\n"; unset($foo); echo "Unset(bar) $ran\n"; } echo "Start $ran\n"; $f = new Foo(); echo "New $ran\n"; bar($f); echo "Bar(f) $ran\n"; unset($f); echo "unset(f) $ran\n"; bar(new Foo); echo "Bar(f) $ran\n";
Output for 7.0.0 - 7.1.0
Start 0 New 0 Bar 0 Unset(bar) 0 Bar(f) 0 unset(f) 1 Bar 1 Unset(bar) 2 Bar(f) 2
Output for 5.0.0 - 5.6.28
Start 0 New 0 Bar 0 Unset(bar) 0 Bar(f) 0 unset(f) 1 Bar 1 Unset(bar) 1 Bar(f) 2
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/9hbKX on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/9hbKX on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/9hbKX on line 6
Process exited with code 255.